Right! This type of coal is known as a dirty source of energy. It has been abandoned as a home heating fuel and replaced by natural gas.

One tragic event helped open the eyes of our nation to the environmental impact caused by industry. On October 26, 1948, a noxious fog settled over the town of Donora. Many died and thousands were sickened.


What positive environmental change began as a result of this fateful event?

A. Smoky City Cowboys for Change

B. The Clean Air Movement

C. Gas Masks for Everyone Brigade